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Using Vim's tabs like buffers

...out", because that's what a tab is—it's a different layout of windows of all of your existing buffers. Trying to beat Vim into 1 tab == 1 buffer is an exercise in futility. Vim doesn't know or care and it will not respect it on all commands—in particular, anything that uses the quickfix buffer ...
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What is the garbage collector in Java?

...to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java. ...
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Run a single test method with maven

I know you can run all the tests in a certain class using: 13 Answers 13 ...
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

... Tomcat default home page or a Tomcat-specific 404 error page. Both are equally valid evidence that Tomcat runs fine; if it didn't, then you would have gotten a browser specific HTTP connection timeout error message. You need to shutdown it. Go to /bin subfolder of the Tomcat installation folder an...
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jQuery UI accordion that keeps multiple sections open?

...ow do you keep multiple sections in jQuery UI's accordion open? The demos all have only one open at a time... I'm looking for a collapseable menu type system. ...
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Oracle Differences between NVL and Coalesce

...ented differently. NVL always evaluates both arguments, while COALESCE usually stops evaluation whenever it finds the first non-NULL (there are some exceptions, such as sequence NEXTVAL): SELECT SUM(val) FROM ( SELECT NVL(1, LENGTH(RAWTOHEX(SYS_GUID()))) AS val FROM dual ...
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?

...s dfs instead. hdfs dfs <args> same as 2nd i.e would work for all the operations related to HDFS and is the recommended command instead of hadoop dfs below is the list categorized as hdfs commands. namenode|secondarynamenode|datanode|dfs|dfsadmin|fsck|balancer|fetchdt|oiv|dfsgroups ...
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Do you have to put Task.Run in a method to make it async?

... numbers for the sake of this example, granted, it's no processing time at all, it's just a matter of formulating an example here. ...
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How to loop through all but the last item of a list?

... would indicate I answered the question he asked, if not the question he really wanted to ask. Asker is welcome to demote this answer. – freespace May 27 '09 at 11:35 7 ...
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How do I run only specific tests in Rspec?

...onfiguration option treat_symbols_as_metadata_keys_with_true_values, which allows you to do: describe "Awesome feature", :awesome do where :awesome is treated as if it were :awesome => true. Also see this answer for how to configure RSpec to automatically run 'focused' tests. This works especi...